Product Line

Environment

Cause

Resolution

When an SCU 1284 is set to dual channel is only uses 12 inputs, 8 outputs and 4 reader points. Here is a list of all software points and there uses:

XX00 DI - XX03 DI

Hardware Inputs used by doors

XX04 DI - XX07 DI

Spare Hardware Inputs

XX08 DI & XX09 DI

SCU tamper and power monitoring points

XX00 DO - XX03 DO

Hardware Outputs

XX04 DO - XX07 DO

Spare software only points

XX08 DO & XX09 DO

Reader Points

YY00 DI - YY03 DI

Hardware Inputs used by doors

YY04 DI - YY09 DI

Spare software only points

YY00 DO - YY03 DO

Hardware Outputs

YY04 DO - YY07 DO

Spare software only points

YY08 DO & YY09 DO

Reader Points

NOTE - In most cases it is inadvisable to use every available address on a subLAN. Any address set to "Internal" in the MCU configuration can be used for internal software points. It is important to note that this will prevent expanding the subLAN to use these addresses in the future.